Automatic alarm device for automobile engine oil replacement time and control method

摘要

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automatic warning device for replacing an engine oil for automobiles and a method of controlling the same. And an alarm display means which is activated when the transparency of the engine oil is detected below a prescribed value, and an electronic control device that controls, calculates, stores, and processes the light emitting unit, the light receiving sensor, and the alarm display means. Engine oil for automobiles that can extend engine life and improve engine performance by automatically notifying the driver when the engine oil needs to be changed when the engine oil changes due to the lack of transparency and viscosity of the engine oil. Auto alarm device and its control method when the exchange.